Helmut Ruska

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Helmut Ruska (June 7, 1908,

University of Berlin, in 1952 he moved to the United States where he was a micromorphologist for the New York State Department of Health in Albany. He returned to Germany in 1958 as director of biophysics at the University of Düsseldorf
.

Through close association with his brother, Helmut Ruska is remembered for developing the electron microscope for biological and medical applications. He was the first scientist to study "sub-microscopic" structures of

with an electron microscope. In the 1940s, he published numerous articles regarding his research, including Die Bedeutung der Übermikroskopie für die Virusforschung (The Significance of Electron Microscopy for Virus Research).

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